Also unbeknownst to the teachers was these students names, who were deemed "the fast spurters"/"high potential students", were literally randomly picked out from a hat.

老师们也不知道这些所谓的，“快速迸发者“或者潜力巨大的学生，都是从一个帽子抓阄抓出来的。

哈佛公开课 - 幸福课课程节选

In other words, what he was saying-- it identifies students with highest potential.

换言之，他的意思是-,测试找出最有潜力的学生。

哈佛公开课 - 幸福课课程节选